/Engine/Source/Editor/PropertyEditor/Public/IPropertyChangeListener.h
Delegate called when a property changes
typedef TMulticastDelegate_TwoParams< void, const [TArray](API\Runtime\Core\Containers\TArray)< [UObject](API\Runtime\CoreUObject\UObject\UObject) * > &, const class [IPropertyHandle](API\Editor\PropertyEditor\IPropertyHandle) & > FOnPropertyChanged